Sometimes framework chooses to override the default JPEG quality value (90), so we need to
respect that when compressing frame during picture taking.
Change-Id: Ic7ad8938d33d94d34ecd0b979e5c8c3e8246fd53
Apparently, video pixel format expected by the camera framework is YU12, and not YV12
as it was implemented.
Change-Id: Id33d8aa7f62f6e68276774ca2a7d25c04acd71cc
These two tasks (starting the camera device, and starting working thread that pulls frames
from the started camera device) should be clearly separated, and should not be combined in
one method (as it was with the 'startCapturing' method).
Change-Id: I779bee924d99d9a87257c6b76791545b76795e72
